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Quick Facts:

  • Magnesium's symbol is Mg.
  • Magnesium is a metal.
  • Magnesium is found in group 2A.
  • It has an atomic number of 12 and a mass number of 24.
  • Magnesium is most commonly found in seawater.
  • Magnesium is never found free in nature.
  • Magneium is easily fabricated, meaning it can be easily shaped, molded, bent, cut, etc.
  • Magnesium has three stable isotopes, meaning they don't dissolve after existence. The isotopes are Magnesium 24, Magnesium 25, and Magnesium 26. None of the stable isotopes are radioactive. There are 18 known isotopes of magnesium. Magnesium 28 is radioactive.
  • Magnesium is used in jet-engine parts, rockets, missiles, luggage frames, portable power tools, cameras, and other optical instruments. It has valuable chemical uses as well. It's used in reducing uranium and titanium from their ores, in eliminating sulfur from steel, and in producing high-strength cast iron. It costs about $1.60 per kilogram.

Properties:

  • Magnesium's freezing point is 922° Kelvin (649° Celsius; 1200° Fahrenheit)
  • Magnesium's boiling point is 1363° Kelvin (1090° Celsius; 1994° Fahrenheit)
  • Magnesium is grayish-white. It is very bright white when burned.
  • Magnesium is a metal at earth temperature
  • It is the eighth most abundant element in the universe, and it it the third most abundant element dissolved in seawater.

History:

  • Magnesium was first discovered by Joseph Black in 1755.
  • Sir Humphrey Davy isolated the element in 1808.
  • Magnesium was found first in Edinburgh, Scotland, Europe.
  • Sir Humphrey Davy, who isolated this element, has discovered 7 elements.

Bibliography:
Barbalace, Kenneth L. Periodic Table of Elements: Magnesium. 2008. 15 Nov. 2008 <http://environmentalchemistry.com/yogi/periodic/Mg.html>. This is a site about magnesium’s history and properties.
Facts about Magnesium. 14 Nov. 2008 <http://www.facts-about.org.uk/science-element-magnesium.htm>. A website outlining the properties of magnesium.
Gagnon, Steve. It’s Elemental- Isotopes of the Element Magnesium. 16 Nov. 2008 <http://education.jlab.org/itselemental/iso012.html>. A site about magnesium’s isotopes.
Newton, David E. Chemical Element: From Carbon to Krypton. N.p.: n.p., n.d. A book about chemical elements, including magnesium.